52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var token = require('./token.js');
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var _0uint = require('./0uint.js');
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var common = require('./common.js');
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function toToken(_data, _pos, prefix, length) {
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return new token.Token(token.Type.map, length, prefix);
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}
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function decodeMapCompact(data, pos, minor, _options) {
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return toToken(data, pos, 1, minor);
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}
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function decodeMap8(data, pos, _minor, options) {
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return toToken(data, pos, 2, _0uint.readUint8(data, pos + 1, options));
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}
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function decodeMap16(data, pos, _minor, options) {
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return toToken(data, pos, 3, _0uint.readUint16(data, pos + 1, options));
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}
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function decodeMap32(data, pos, _minor, options) {
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return toToken(data, pos, 5, _0uint.readUint32(data, pos + 1, options));
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}
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function decodeMap64(data, pos, _minor, options) {
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const l = _0uint.readUint64(data, pos + 1, options);
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if (typeof l === 'bigint') {
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throw new Error(`${ common.decodeErrPrefix } 64-bit integer map lengths not supported`);
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}
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return toToken(data, pos, 9, l);
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}
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function decodeMapIndefinite(data, pos, _minor, options) {
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if (options.allowIndefinite === false) {
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throw new Error(`${ common.decodeErrPrefix } indefinite length items not allowed`);
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}
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return toToken(data, pos, 1, Infinity);
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}
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function encodeMap(buf, token$1) {
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_0uint.encodeUintValue(buf, token.Type.map.majorEncoded, token$1.value);
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}
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encodeMap.compareTokens = _0uint.encodeUint.compareTokens;
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encodeMap.encodedSize = function encodedSize(token) {
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return _0uint.encodeUintValue.encodedSize(token.value);
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};
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exports.decodeMap16 = decodeMap16;
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exports.decodeMap32 = decodeMap32;
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exports.decodeMap64 = decodeMap64;
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exports.decodeMap8 = decodeMap8;
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exports.decodeMapCompact = decodeMapCompact;
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exports.decodeMapIndefinite = decodeMapIndefinite;
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exports.encodeMap = encodeMap;
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